Home / 14,399.13-19,855.26-9,019.65

Finding the Fourth Proportional to 14,399.13, 19,855.26 and 9,019.65

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Solution

The fourth proportional to 14,399.13, 19,855.26 and 9,019.65 is: 12,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.13 : 19,855.26 = 9,019.65 : x
  2. Step 2: Convert to fraction form
    14,399.13/19,855.26 = 9,019.65/x
  3. Step 3: Cross multiply
    14,399.13x = 19,855.26 × 9,019.65
  4. Step 4: Simplify right side
    14,399.13x = 179,087,495.86
  5. Step 5: Solve for x
    x = 179,087,495.86/14,399.13
  6. Step 6: Final answer
    x = 12,437.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.